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1. WO2020072597 - HYDROPHOBIC BARRIER LAYER FOR CERAMIC INDIRECT EVAPORATIVE COOLING SYSTEMS

Publication Number WO/2020/072597
Publication Date 09.04.2020
International Application No. PCT/US2019/054230
International Filing Date 02.10.2019
IPC
B01J 19/16 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
19Chemical, physical or physico-chemical processes in general; Their relevant apparatus
16Preventing evaporation or oxidation of non-metallic liquids by applying a floating layer, e.g. of microballoons
CPC
B01D 2325/06
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2325Details relating to properties of membranes
06Surface irregularities
B01D 2325/08
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2325Details relating to properties of membranes
08Patterned membranes
B01D 2325/38
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2325Details relating to properties of membranes
38Hydrophobic membranes
B01D 63/066
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
63Apparatus in general for separation processes using semi-permeable membranes
06Tubular membrane modules
066with a porous block having membrane coated passages
B01D 67/0041
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
67Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
0039Inorganic membrane formation
0041by agglomeration of particles in the dry state, e.g. sintering
B01D 67/0048
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
67Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
0039Inorganic membrane formation
0048by sol-gel transition
Applicants
  • PRESIDENT AND FELLOWS OF HARVARD COLLEGE [US]/[US]
Inventors
  • GRINHAM, Jonathan, L.
  • ALVARENGA, Jack
  • BECHTHOLD, Martin
  • AIZENBERG, Joanna
Agents
  • HA, Yung-Hoon
  • BEVILACQUA, Michael, J.
  • ANDERSON, Thomas, E.
  • BERTULLI, Scott
  • BLAKELY, Lauren, V.
Priority Data
62/740,22102.10.2018US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) HYDROPHOBIC BARRIER LAYER FOR CERAMIC INDIRECT EVAPORATIVE COOLING SYSTEMS
(FR) COUCHE BARRIÈRE HYDROPHOBE POUR SYSTÈMES DE REFROIDISSEMENT PAR ÉVAPORATION INDIRECTE EN CÉRAMIQUE
Abstract
(EN) An evaporative cooling system includes a porous ceramic body with a plurality of dry channels and a plurality of wet channels. The plurality of dry channels are configured to inhibit transfer of water vapor into the dry channels and include a barrier layer that includes a roughened layer with a features size less than 1000 nm and a hydrophobic chemical modification disposed on the roughened layer. The plurality of wet channels are configured to allow transfer of water vapor.
(FR) Un système de refroidissement par évaporation comprend un corps céramique poreux ayant une pluralité de canaux secs et une pluralité de canaux humides. La pluralité de canaux secs est configurée pour empêcher le transfert de vapeur d'eau dans les canaux secs et comprendre une couche barrière qui comprend une couche rugueuse ayant une taille de caractéristiques inférieure à 1000 nm et une modification chimique hydrophobe disposée sur la couche rugueuse. La pluralité de canaux humides est configurée pour permettre le transfert de vapeur d'eau.
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